The swivel arm is often the simplest, quickest and most cost-effective solution for enabling the robot to rotate by up to 270°. The swivel arm ensures that the triflex R chain does not become entangled with the robot when the robot is rotated around axis 1. The triflex R chain is guided over the robot by the swivel bracket and a rotation of up to 270° around robot axis 1 can be achieved. 

There are 2 versions of the swivel arm.
The standard version is slightly bent downwards and guides the e-chain past the robot without collision. 
Example of variant 1: TR.907.835.65

From chain size 65, there are also swivel arms that are bent upwards. These should be used if the robot has an “interfering contour” in the rotation range around axis 1. By rotating the swivel arm, any obstacles on the robot can be overcome by raising it. 
Example for variant 2: TR.907.835.65.1